3670811

Information

• Patent Grant
• 3670811

• References
• Source

• Patent Number

  3,670,811

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • F28F9/0138 - formed by sleeves for finned tubes
  • F28F1/12 - the means being only outside the tubular element
  • F28F13/06 - by affecting the pattern of flow of the heat-exchange media

• US Classifications

  • 165 - Heat exchange